in a separate case, the justices will consider whether married gay couples deserve the same federal tax and entitlement benefits as heterosexual couples. both cases will be decided in june, john and diana. >> two separate questions here. one is what's going to happen today inside of the court, and, secondly, are we going to get any clues as to how the justices might decide? >> reporter: well, just about 10:00 a.m. people will start filing in for an hour of arguments. the court says those arguments could run longer given the significance of the case, and all eyes are going to be on the questioning of the justices for lawyers on both sides, particularly from justice anthony kennedy. he's considered a swing voter on the court. kennedy has a history of supporting gay rights but also the rights of states to determine their own policies. marriage, of course, is a state issue, but legal experts say you can't determine from questioning alone just which way the court will decide, john and diana. >> all right, devin dwyer in washington. thank you. >>> there is breaking news in the amanda knox cas